Long-Term Debt



(In thousands)	March 31, 2015	December 31, 2014
2006 Senior Notes payable through 2021, 5.41%	46,667	46,667
2010 Senior Notes payable through 2021, 4.00%	100,000	100,000
Senior revolving credit facility maturing in 2019	126,000	105,000
Total	272,667	251,667
Amounts due within one year	6,667	6,667
Long-term debt	266,000	245,000

At March 31, 2015, $171.1 million of the $300.0 million senior revolving credit facility was unused including letters of credit.

The revolving credit facility and note purchase agreements require the Company to comply with specified financial covenants. In addition, the credit facility and the note purchase agreements contain negative covenants limiting the ability of the Company and its subsidiaries to enter into specified transactions. The Company was in compliance with all covenants at March 31, 2015.

The Company had outstanding bank guarantees and standby letters of credit with banks as of March 31, 2015 totaling $6.0 million, of which $2.9 million relate to the senior revolving credit facility. The letters of credit serve to cover customer requirements in connection with certain sales orders and insurance companies. No amounts were drawn on these arrangements at March 31, 2015. The Company is also required to provide cash collateral in connection with certain arrangements. At March 31, 2015, the Company has $2.7 million of restricted cash in support of these arrangements.